A Thin Glass Rod Is Bent into a Semicircle of Radius

question 4

Multiple Choice

A thin glass rod is bent into a semicircle of radius R.A charge + Q is uniformly distributed along the upper half,and a charge -Q is uniformly distributed along the lower half,as shown in the figure.If Q = 10 nC and R = 10 cm,find the magnitude and direction of the electric field E (in component form) at point P,the center of the semicircle.

• A)3.61 * 10⁴ N/C in + y direction
• B)3.61 * 10⁴ N/C in -y direction
• C)1.15 * 10⁴ N/C in + x direction
• D)1.15 * 10⁴ N/C in -y direction

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Definitions:

Par Value

An arbitrary value that is placed on each share of stock. Par value represents legal capital and not market value.

Paid-in Capital

Funds raised by a company through the issuance of shares, representing the capital contributed by shareholders.

Dividends in Arrears

Dividends in arrears are dividends that a corporation has not yet paid out to its shareholders for preferred stock, accumulative from prior periods.

Repurchase

The act of buying back previously sold stock or bonds from the market or shareholders by the issuing company, often to reduce the amount of outstanding shares and increase the value of remaining shares.